Home / 987,284.40-1,480,984-277,367.78

Finding the Fourth Proportional to 987,284.40, 1,480,984 and 277,367.78

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Solution

The fourth proportional to 987,284.40, 1,480,984 and 277,367.78 is: 416,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,284.40 : 1,480,984 = 277,367.78 : x
  2. Step 2: Convert to fraction form
    987,284.40/1,480,984 = 277,367.78/x
  3. Step 3: Cross multiply
    987,284.40x = 1,480,984 × 277,367.78
  4. Step 4: Simplify right side
    987,284.40x = 410,777,244,295.52
  5. Step 5: Solve for x
    x = 410,777,244,295.52/987,284.40
  6. Step 6: Final answer
    x = 416,067.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.